sullen vs unassuaged

sullen

adj
  • Gloomy; dismal; foreboding. 

  • Having a brooding ill temper; sulky. 

  • Sluggish; slow. 

noun
  • Sullen feelings or manners; sulks; moroseness. 

unassuaged

adj
  • Not assuaged; not calmed, appeased, mitigated, alleviated, satisfied or diminished. 

How often have the words sullen and unassuaged occurred in a corpus of books? (source: Google Ngram Viewer )